* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}

html,
body {
    height: 100%;
    background-color: #eee;
    overflow-x: hidden;
}

li {
    list-style: none;
}

p,
h1,
h2,
h3,
h4,
h5 {
    line-height: 100%;
}

a {
    display: inline-block;
    text-decoration: none;
    color: #000;
}

img {
    vertical-align: middle;
}

button {
    background: #fff;
    border: 0;
}

main {
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    position: relative;
}